Hand exercise device



FIG. 1 is a perspective view of the hand exercise device showing my new design in use;

FIG. 2 is a right side elevation view thereof; the left side elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a rear elevation view thereof.

The broken line(s) which define the bounds of the claimed design form no part thereof.

The broken lines in FIG. 1 showing the hand exercise device in use illustrates environment and forms no part of the claim. 

CLAIM The ornamental design for a hand exercise device, as shown and described. 